agenttesla | f67a5257b3e972575baeb2e6442d5d5232e149f2a549f99ed9a2b67345e8b1a2

General

Target

Wire Transfer Form.exe
Size

341KB
MD5

d87984674b4e613778c3652753aeddd9
SHA1

44d3585abe662f7955bd862641ef2f41a3bc01cb
SHA256

4b0b81952d07396b9b719f0b0fd12ed7bf652c0cb4640e05c849c342b0d7bfc6
SHA512

c3f6585822e93dda13fb6cc8d6409933d0e8e3897626f16a0c40aa9a445b875a5c75d5e24816243735b3a7e0e873bf9084120485a95e70b4d61db933ae8fe364
SSDEEP

6144:0mtUxVlYuwrXitD5CBJvtWr1jTV6E+HJAvXeRi/2:jcau0Xitv/

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.flomicgroup.com
Port:
587
Username:
[email protected]
Password:
Gl0bal@2021
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Wire Transfer Form.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation	Wire Transfer Form.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Wire Transfer Form.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Wire Transfer Form.exe
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Wire Transfer Form.exe
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Wire Transfer Form.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Wire Transfer Form.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\My App = "C:\\Users\\Admin\\AppData\\Roaming\\My App\\My App.exe"	Wire Transfer Form.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

32 api.ipify.org
33 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Wire Transfer Form.exe

description pid process target process

PID 496 set thread context of 3756 496 Wire Transfer Form.exe Wire Transfer Form.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

1456 powershell.exe
1456 powershell.exe

flow	ioc
32	api.ipify.org
33	api.ipify.org

description	pid	process	target process
PID 496 set thread context of 3756	496	Wire Transfer Form.exe	Wire Transfer Form.exe

pid	process
1456	powershell.exe
1456	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Wire Transfer Form.exepowershell.exeWire Transfer Form.exe

description	pid	process
Token: SeDebugPrivilege	496	Wire Transfer Form.exe
Token: SeDebugPrivilege	1456	powershell.exe
Token: SeDebugPrivilege	3756	Wire Transfer Form.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Wire Transfer Form.exe

description	pid	process	target process
PID 496 wrote to memory of 1456	496	Wire Transfer Form.exe	powershell.exe
PID 496 wrote to memory of 1456	496	Wire Transfer Form.exe	powershell.exe
PID 496 wrote to memory of 1456	496	Wire Transfer Form.exe	powershell.exe
PID 496 wrote to memory of 3756	496	Wire Transfer Form.exe	Wire Transfer Form.exe
PID 496 wrote to memory of 3756	496	Wire Transfer Form.exe	Wire Transfer Form.exe
PID 496 wrote to memory of 3756	496	Wire Transfer Form.exe	Wire Transfer Form.exe
PID 496 wrote to memory of 3756	496	Wire Transfer Form.exe	Wire Transfer Form.exe
PID 496 wrote to memory of 3756	496	Wire Transfer Form.exe	Wire Transfer Form.exe
PID 496 wrote to memory of 3756	496	Wire Transfer Form.exe	Wire Transfer Form.exe
PID 496 wrote to memory of 3756	496	Wire Transfer Form.exe	Wire Transfer Form.exe
PID 496 wrote to memory of 3756	496	Wire Transfer Form.exe	Wire Transfer Form.exe

outlook_office_path 1 IoCs

Processes:

Wire Transfer Form.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Wire Transfer Form.exe

outlook_win_path 1 IoCs

Processes:

Wire Transfer Form.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Wire Transfer Form.exe

C:\Users\Admin\AppData\Local\Temp\Wire Transfer Form.exe
"C:\Users\Admin\AppData\Local\Temp\Wire Transfer Form.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:496

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1456

C:\Users\Admin\AppData\Local\Temp\Wire Transfer Form.exe
"C:\Users\Admin\AppData\Local\Temp\Wire Transfer Form.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3756

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Wire Transfer Form.exe.log
Filesize
1KB

MD5
e87e48b105757e1c7563d1c719059733

SHA1
28a3f2b2e0672da2b531f4757d2b20b53032dafc

SHA256
0aaf22dc84cc3fcfe53de7ccfed8e662247dfb7f1a9967032c88790d0c663461

SHA512
bf19c5743143aee914a453c41189c722c9b90a5b8bf299cecf3e1f97656d32cd209ecb74da8aebc89bb41c27d189f73aaaabbc64fe383410c95dc76ad4218968

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5eyo3o01.b3w.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/496-134-0x0000000004F90000-0x0000000004FA0000-memory.dmp

Filesize
64KB

Download
memory/496-135-0x0000000005D30000-0x0000000005D52000-memory.dmp

Filesize
136KB

Download
memory/496-155-0x0000000004F90000-0x0000000004FA0000-memory.dmp

Filesize
64KB

Download
memory/496-133-0x00000000005F0000-0x000000000064C000-memory.dmp

Filesize
368KB

Download
memory/1456-153-0x0000000007520000-0x0000000007B9A000-memory.dmp

Filesize
6.5MB

Download
memory/1456-158-0x0000000002730000-0x0000000002740000-memory.dmp

Filesize
64KB

Download
memory/1456-145-0x0000000002730000-0x0000000002740000-memory.dmp

Filesize
64KB

Download
memory/1456-146-0x0000000002730000-0x0000000002740000-memory.dmp

Filesize
64KB

Download
memory/1456-151-0x0000000005CD0000-0x0000000005CEE000-memory.dmp

Filesize
120KB

Download
memory/1456-152-0x0000000002730000-0x0000000002740000-memory.dmp

Filesize
64KB

Download
memory/1456-138-0x0000000005540000-0x00000000055A6000-memory.dmp

Filesize
408KB

Download
memory/1456-154-0x00000000061D0000-0x00000000061EA000-memory.dmp

Filesize
104KB

Download
memory/1456-137-0x0000000004EA0000-0x00000000054C8000-memory.dmp

Filesize
6.2MB

Download
memory/1456-156-0x0000000002730000-0x0000000002740000-memory.dmp

Filesize
64KB

Download
memory/1456-157-0x0000000002730000-0x0000000002740000-memory.dmp

Filesize
64KB

Download
memory/1456-139-0x0000000005620000-0x0000000005686000-memory.dmp

Filesize
408KB

Download
memory/1456-136-0x00000000026F0000-0x0000000002726000-memory.dmp

Filesize
216KB

Download
memory/3756-163-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/3756-166-0x00000000055F0000-0x0000000005B94000-memory.dmp

Filesize
5.6MB

Download
memory/3756-167-0x0000000005120000-0x0000000005130000-memory.dmp

Filesize
64KB

Download
memory/3756-169-0x0000000006A00000-0x0000000006A92000-memory.dmp

Filesize
584KB

Download
memory/3756-170-0x00000000069C0000-0x00000000069CA000-memory.dmp

Filesize
40KB

Download
memory/3756-171-0x0000000006BE0000-0x0000000006C30000-memory.dmp

Filesize
320KB

Download
memory/3756-172-0x0000000006E10000-0x0000000006FD2000-memory.dmp

Filesize
1.8MB

Download
memory/3756-173-0x0000000005120000-0x0000000005130000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads